package com.ruoyi.web.controller.wx;

import java.util.Objects;

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import cn.binarywang.wx.miniapp.api.WxMaService;
import cn.binarywang.wx.miniapp.bean.WxMaMessage;
import cn.binarywang.wx.miniapp.constant.WxMaConstants;
import cn.binarywang.wx.miniapp.message.WxMaMessageRouter;
import lombok.RequiredArgsConstructor;

/**
 * @desc
 * 
 */
@RestController
@RequestMapping("/wx/portal")
@RequiredArgsConstructor(onConstructor_ = @Autowired)
public class WxPortalController {
	private final Logger logger = LoggerFactory.getLogger(this.getClass());

	private final WxMaService wxMaService;
	private final WxMaMessageRouter wxMaMessageRouter;

	@GetMapping(produces = "text/plain;charset=utf-8")
	public String authGet(// @PathVariable String appid,
			@RequestParam(name = "signature", required = false) String signature,
			@RequestParam(name = "timestamp", required = false) String timestamp,
			@RequestParam(name = "nonce", required = false) String nonce,
			@RequestParam(name = "echostr", required = false) String echostr) {
		this.logger.info("\n接收到来自微信服务器的认证消息：signature = [{}], timestamp = [{}], nonce = [{}], echostr = [{}]",
				signature, timestamp, nonce, echostr);

		if (StringUtils.isAnyBlank(signature, timestamp, nonce, echostr)) {
			throw new IllegalArgumentException("请求参数非法，请核实!");
		}

		// final WxMaService wxService = WxMaConfiguration.getMaService(appid);

		if (wxMaService.checkSignature(timestamp, nonce, signature)) {
			return echostr;
		}

		return "非法请求";
	}

	@PostMapping(produces = "application/xml; charset=UTF-8")
	public String post(// @PathVariable String appid, //
			@RequestBody String requestBody, //
			@RequestParam(name = "msg_signature", required = false) String msgSignature,
			@RequestParam(name = "encrypt_type", required = false) String encryptType,
			@RequestParam(name = "signature", required = false) String signature,
			@RequestParam("timestamp") String timestamp, //
			@RequestParam("nonce") String nonce) {
		this.logger.info(
				"\n接收微信请求：[msg_signature=[{}], encrypt_type=[{}], signature=[{}],"
						+ " timestamp=[{}], nonce=[{}], requestBody=[\n{}\n] ",
				msgSignature, encryptType, signature, timestamp, nonce, requestBody);

		// final WxMaService wxService = WxMaConfiguration.getMaService(appid);

		final boolean isJson = Objects.equals(wxMaService.getWxMaConfig().getMsgDataFormat(),
				WxMaConstants.MsgDataFormat.JSON);
		if (StringUtils.isBlank(encryptType)) {
			// 明文传输的消息
			WxMaMessage inMessage;
			if (isJson) {
				inMessage = WxMaMessage.fromJson(requestBody);
			} else {// xml
				inMessage = WxMaMessage.fromXml(requestBody);
			}

			this.route(inMessage);
			return "success";
		}

		if ("aes".equals(encryptType)) {
			// 是aes加密的消息
			WxMaMessage inMessage;
			if (isJson) {
				inMessage = WxMaMessage.fromEncryptedJson(requestBody, wxMaService.getWxMaConfig());
			} else {// xml
				inMessage = WxMaMessage.fromEncryptedXml(requestBody, wxMaService.getWxMaConfig(), timestamp, nonce,
						msgSignature);
			}

			this.route(inMessage);
			return "success";
		}

		throw new RuntimeException("不可识别的加密类型：" + encryptType);
	}

	private void route(WxMaMessage message) {
		try {
			wxMaMessageRouter.route(message);
		} catch (Exception e) {
			this.logger.error(e.getMessage(), e);
		}
	}

}